*Vertices 3
1 "JAlgebra" 0.0 0.0 0.0 x_fact 0.089295 y_fact 5.131842
2 "LectNotesComputSc" 0.0 0.0 0.0 x_fact 0.126064 y_fact 94.700074
3 "ProgramComputSoft" 0.0 0.0 0.0 x_fact 0.036769 y_fact 0.168085
*Matrix 
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